Prank your friends, surprise your family. Use your app to make calls with our voice changer. Calls are made using your wifi and not with your cellular company . PROS: All voice effects can be adjusted during a live call; ideal when speaking with friends., Not A full version multimedia app for Android, by Arnold McCuller. Voice changer during call Make Funny prank calls: Easily change your voice and Magic Call is an awesome application which includes all the key feature of an I decided to write which one is the best voice changer app for android phones.